77723032 has 16 divisors (see below), whose sum is σ = 146466000. Its totient is φ = 38665440.

The previous prime is 77722999. The next prime is 77723033. The reversal of 77723032 is 23032777.

It is a junction number, because it is equal to n+sod(n) for n = 77722985 and 77723003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77723033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22819 + ... + 26002.

It is an arithmetic number, because the mean of its divisors is an integer number (9154125).

Almost surely, 2^77723032 is an apocalyptic number.

It is an amenable number.

77723032 is a deficient number, since it is larger than the sum of its proper divisors (68742968).

77723032 is a wasteful number, since it uses less digits than its factorization.

77723032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49026 (or 49022 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 77723032 is about 8816.0666966624. The cubic root of 77723032 is about 426.7595462946.

The spelling of 77723032 in words is "seventy-seven million, seven hundred twenty-three thousand, thirty-two".